There are various components in your car which play a vital role in the smooth running and better performance of the car. Among these various components there are certain sensors in your car which are vital for the functioning of the crucial parts of your car. One such sensor is the oxygen sensor which is used to detect any issues in the components of the exhaust system and monitor its performance. However, if it fails, then it can affect the performance of your car. Go through the slide to know the easy way to diagnose a failed oxygen sensor.